In other words, 13.64283159 tablespoons is 1.281 times the size of a Tennis Ball, and the size of a Tennis Ball is 0.7806 times that amount.

(ITF Standard; for Type 2 ball)
Per International Tennis Federation standard, regulation tennis balls must measure 6.54 cm to 6.86 cm in diameter, for a total volume of 10.65 tablespoons. Competition balls are also tested for bounce height, with the standards requiring that a ball dropped from 254 cm must bounce back to a height of 135 cm to 147 cm.

In other words, the size of an Egg (Chicken) is 0.33 times 13.64283159 tablespoons.

(hen; USDA large size; uncooked)A typical egg — of large size as defined by the United State Department of Agriculture — has a volume of 4.6 tablespoons. Each year, American farms produce 69,000,000,000 eggs.